One of the most famous landscape photographs showing the horrible aftermath of the Battle of Gettysburg.
Timothy O’Sullivan, A Harvest of Death, 1863, albumen print, 17.2 × 22.5 cm, illustration in Alexander Gardner’s Photographic Sketchbook of the War, 1866 (Library of Congress); a conversation between Dr. Kimberly Kutz Elliott and Dr. Steven Zucker
This photograph was included in Gardner’s Photographic Sketch Book of the War (1866). Each photograph had a lengthy caption that explained what was captured in each scene.

Gardner’s Photographic Sketch Book of the War, 1866 (The Metropolitan Museum of Art)
For the “Harvest of Death” photo the caption read: “It was, indeed, a ‘harvest of death.’ . . . Such a picture conveys a useful moral: It shows the blank horror and reality of war, in opposition to its pageantry. Here are the dreadful details! Let them aid in preventing such another calamity falling upon the nation.”